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Introduksjon til astrofotografering.

Foredrag holdt i Bergen Astronomiske Forening høsten 2019. PDF format (6MB)

Introduksjon til bildebehandling for astrofoto.

Foredrag holdt i Bergen Astronomiske Forening høsten 2019. PDF format (9MB)


Spaghetti Nebula (Sh2-240 / Simeis 147), two-pane mosaic

Spaghetti Nebula

Picture taken at Sandsli, (Bortle class 6), Norway. November 08, 2023 to January 06, 2024 (11 nights)
Camera: ASI 1600MM-Pro with EFW filterwheel and Antlia 3nm Narrowband and RGB Pro filters.
Telescope: Borg 72FL with Starizona Apex ED S 0.65x reducer
Capture and autoguiding by N.I.N.A.
Exposure:
Nebulosity: Ha: 105 x 480s, O: 240 x 480s
RGB for stars: R: 200 x 30s, G: 200 x 30s, B: 200 x 30s
Total integration time: 51 hours
f3.6, Gain 200, Offset 50, Cooling at -20.
Flats, Darks, Darkflats and Bias
Processing: Astro Pixel Processor, PixInsight

Click picture for full size.


NGC1333 - Embryo Nebula

NGC1333

Picture taken at Mjølfjell (Bortle class 2-3), Norway. January 07 - 09, 2024 (2 nights)
Camera: ASI 1600MM-Pro with EFW filterwheel and Antlia LRGB V Pro filters.
Telescope: SkyWatcher Esprit 120ED Pro
Capture and autoguiding by N.I.N.A.
Exposure:
L: 174 x 120s, R: 99 x 120s, G: 83 x 120s, B: 84 x 120s
Total integration time: 14 hours 40 minutes
f3.6, Gain 200, Offset 50, Cooling at -30.
Flats, Darks, Darkflats and Bias
Processing: Astro Pixel Processor, PixInsight

Click picture for full size.


Bubble Nebula NGC7635 widefield with M52 and Lobster Claw

NGC7635 widefield

Picture taken at Sandsli, (Bortle class 6), Norway. October 25th - 27th, November 7th 2023
Camera: ASI 1600MM-Pro with EFW filterwheel and Antlia 3nm Narrowband and RGB Pro filters.
Telescope: Borg 72FL with Starizona Apex ED S 0.65x reducer
Capture and autoguiding by N.I.N.A.
Exposure:
Nebulosity: Ha: 85 x 240s, O: 81 x 240s
RGB for stars: R: 80 x 30s, G: 60 x 30s, B: 72 x 30s
Total integration time narrowband: 11h 04m
f3.6, Gain 200, Offset 50, Cooling at -20.
Flats, Darks, Darkflats and Bias
Processing: Astro Pixel Processor, PixInsight

Click picture for full size.


Veil Nebula in Cygnus

IC405 and IC410

Picture taken at Sandsli, (Bortle class 6), Norway. Setptember 5th, October 6th-8th 2023
Camera: ASI 1600MM-Pro with EFW filterwheel and Antlia RGB Pro filters.
Telescope: Borg 72FL with Starizona Apex ED S 0.65x reducer
Capture and autoguiding by N.I.N.A.
Exposure:
Nebulosity: Ha: 56 x 240s, O: 60 x 240s, S: 46 x 240s
RGB for stars: R: 30 x 30s, G: 30 x 30s, B: 30 x 30s
Total integration time narrowband: 10h 48m
f3.6, Gain 200, Offset 50, Cooling at -20.
Flats, Darks, Darkflats and Bias
Processing: Astro Pixel Processor, PixInsight, Lightroom Classic

Click picture for full size.


Flaming star nebula and Tadpole nebula

IC405 and IC410

Picture taken at Sandsli, (Bortle class 6), Norway. November 19-20, 2022
Camera: ASI 1600MM-Pro with EFW filterwheel and Antlia RGB Pro filters.
Telescope: Borg 72FL with Starizona Apex ED S 0.65x reducer
Capture and autoguiding by AsiAir Plus
Exposure:
Nebulosity: Ha: 40 x 240s + 8 x 480s, O: 37 x 240s + 8 x 480s, S: 6 x 240s + 25 x 480s
RGB for stars: R: 20 x 30s, G: 20 x 30s, B: 20 x 30s
Total integration time narrowband: 11h 0m
f3.6, Gain 139, Offset 50, Cooling at -20.
Flats, Darks and Bias
Processing: Astro Pixel Processor, PixInsight, Photoshop CC

Click picture for full size.


Sh2-119 Clamshell nebula in narrowband

NGC1499

Picture taken at Sandsli, (Bortle class 6, Norway. 4 nights during autumn 2022
Camera: ASI 1600MM-Pro with EFW filterwheel and Antlia RGB Pro filters.
Telescope: Borg 72FL with Starizona Apex ED S 0.65x reducer
Capture and autoguiding by AsiAir Plus
Exposure:
Nebulosity: Ha: 46 x 240s, O: 28 x 240s + 82 x 480s, S: 19 x 240s + 47 x 480s
RGB for stars: R: 20 x 30s, G: 20 x 30s, B: 20 x 30s
Total integration time narrowband: 17h 44m
f3.6, Gain 139, Offset 50, Cooling at -20.
Flats, Darks and Bias
Processing: Astro Pixel Processor, PixInsight, Photoshop CC, Ligthroom Classic, Topaz DeNoise AI

Click picture for full size.


California Nebula NGC1499 in narrowband

With stars:

NGC1499

With stars removed to better see details in nebulosity:

NGC1499

Picture taken at Sandsli, (Bortle class 6, Norway. November 17-21, 2022
Camera: ASI 1600MM-Pro with EFW filterwheel and Antlia RGB Pro filters.
Telescope: Borg 72FL with Starizona Apex ED S 0.65x reducer
Capture and autoguiding by AsiAir Plus
Exposure:
Nebulosity: Ha: 38 x 240s, O: 91 x 480s, S: 39 x 480s
RGB for stars: R: 20 x 30s, G: 20 x 30s, B: 20 x 30s
Total integration time narrowband: 19h 52m
f3.6, Gain 139, Offset 50, Cooling at -20.
Flats, Darks and Bias
Processing: Astro Pixel Processor, PixInsight, Photoshop CC, Ligthroom Classic

Click picture for full size.


North America Nebula and Pelican Nebula in narrowband

First Light with Borg 72FL

NGC7000

Picture taken at Sandsli, (Bortle class 6, Norway. August 29-30, 2022
Camera: ASI 1600MM-Pro with EFW filterwheel and Antlia RGB Pro filters.
Telescope: Borg 72FL with Starizona Apex ED S 0.65x reducer
Capture and autoguiding by AsiAir Plus
Exposure: Ha: 23 x 240s, O: 23 x 240s, S: 23 x 240s; f3.6, Gain 139, Offset 50, Cooling at -20.
Flats, Darks and Bias
Processing: Astro Pixel Processor, Photoshop CC, Ligthroom Classic

Click picture for full size.


M51 Whirlpool Galaxy in Ursa Major

M51 Whirlpool Galaxy

Picture taken at Mjølfjell (Bortle class 2-3), Norway. February 27-28, 2022
Camera: ASI 1600MM-Pro with EFW filterwheel and Antlia RGB Pro filters.
Telescope: Vixen R200SS Newton reflector with Vixen Coma Corrector PH on Skywatcher AZ-EQ6 mount
Capture and autoguiding by N.I.N.A. and PHD2
Exposure: 32*180s L, 32*180s R, 32*180s G, 32*180s B, 20*300s Ha ; f3.8, Gain 200, Offset 50, Cooling at -30.
Flats, Darks and DarkFlats
Processing: PixInsight, Ligthroom Classic

Click picture for full size.


Supernova 2022hrs in NGC 4647

This supernova was discovered by Koichi Itagaki on april 16th 2022 and was then of magnitude 15.
On the night of april 22 when I took the photograph below it had brightened to mag 13.2.

Supernova SN2022hrs

Picture taken at Mjølfjell (Bortle class 2-3, Norway. April 22, 2022
Camera: ASI 1600MM-Pro with EFW filterwheel and Antlia RGB Pro filters.
Telescope: Vixen R200SS Newton reflector with Vixen Coma Corrector PH on Skywatcher AZ-EQ6 mount
Capture and autoguiding by N.I.N.A. and PHD2
Exposure: 12*60s R, 12*60s G, 12*60s B; f3.8, Gain 139, Offset 50, Cooling at -20.
Darks and Bias
Processing: Astro Pixel Processor, Adobe Lightroom Classic

Click picture for full size.


M13 Hercules Cluster

M13 is a large globular star cluster 22.200 light years away in the constellation Hercules. It contains several hundred thousand stars.
Some extremely distant galaxies are present in the image. Click image for more information

M13

Picture taken at Mjølfjell (Bortle class 2-3, Norway. April 23-24, 2022
Camera: ASI 1600MM-Pro with EFW filterwheel and Antlia RGB Pro filters.
Telescope: Vixen R200SS Newton reflector with Vixen Coma Corrector PH on Skywatcher AZ-EQ6 mount
Capture and autoguiding by N.I.N.A. and PHD2
Exposure: 36*60s L, 52*60s R, 38*60s G, 38*60s B; f3.8, Gain 139, Offset 50, Cooling at -20.
Darks and Bias
Processing: Astro Pixel Processor, Adobe Lightroom Classic


IC 1396 with Elephant Trunk Nebula

IC1396 Nebula

Picture taken at Mjølfjell (Bortle class 2-3, Norway. March 20-21, 2022
Camera: ASI 1600MM-Pro with EFW filterwheel and Antlia 3nm Pro filters.
Telescope: Vixen R200SS Newton reflector with Vixen Coma Corrector PH on Skywatcher AZ-EQ6 mount
Capture and autoguiding by N.I.N.A. and PHD2
Exposure: 27*480s H-alpha, 27*480s Oiii, 23*480s Sii; f3.8, Gain 139, Offset 50, Cooling at -20.
Darks, DarkFlats, Bias and Flats
Processing: Astro Pixel Processor, Adobe Photoshop CC, Adobe Lightroom Classic and Topaz DeNoise AI

Click picture for full size.


M81 and M82 Galaxies with Integrated Flux Nebulosity

M81 an M82 Galaxy

Picture taken at Mjølfjell (Bortle class 2-3, Norway. March 2-4, 2022
Camera: ASI 1600MM-Pro with EFW filterwheel and Antlia filters.
Telescope: Vixen R200SS Newton reflector with Vixen Coma Corrector PH on Skywatcher AZ-EQ6 mount
Capture and autoguiding by N.I.N.A. and PHD2
Exposure: 81x120s Lum, 77*120s Red, 75*120s Green, 80*120s Blue, 30*420s H-alpha, f3.8, Gain 139, Offset 50, Cooling at -20.
Darks, DarkFlats, Bias and Flats
Processing: Astro Pixel Processor, PixInsigth, Adobe Photoshop CC, Adobe Lightroom Classic and Topaz DeNoise AI

Click picture for full size.


M33 Triangulum Galaxy

M33 Triangulum Galaxy

Picture taken at Mjølfjell (Bortle class 2-3, Norway. November 13-14, 2021
Camera: ASI 1600MM-Pro with EFW filterwheel and ZWO filters.
Telescope: Vixen R200SS Newton reflector with Vixen Coma Corrector PH on Skywatcher AZ-EQ6 mount
Capture and autoguiding by N.I.N.A. and PHD2
Exposure: 14*300s Red, 14*300s Green, 14*300s Blue, 13*300s H-alpha, f3.8, Gain 200, Offset 50, Cooling at -15.
Darks, Bias and Flats
Processing: Astro Pixel Processor and Lightroom Classic

Click picture for full size.


Horsehead Nebula and Flame Nebula

Horsehead Nebula

Picture taken at Sandsli (Bortle class 6), Norway. February 11-12, 2021
Camera: ASI 1600MM-Pro with EFW filterwheel and ZWO filters.
Telescope: Borg ED 101 refractor with 7704 f4 reducer on Vixen GPDX mount
Capture and autoguiding by N.I.N.A. and PHD2
Exposure: 40*30s Red, 40*30s Green, 40*30s Blue, 22*600s H-alpha, f4.0, Gain 200, Offset 50, Cooling at -20.
Darks, Bias and Flats
Processing: Astro Pixel Processor, Adobe Photoshop 2021, Lightroom Classic and Topaz DeNoise AI.

Click picture for full size.


Leo Triplet

Leo Triplet

Picture taken at Mjølfjell (Bortle class 2-3), Norway. February 6, 2021
Camera: ASI 1600MM-Pro with EFW filterwheel and ZWO filters.
Telescope: Vixen R200SS Newton reflector with Vixen Coma Corrector PH on Skywatcher AZ-EQ6 mount
Capture and autoguiding by N.I.N.A. and PHD2
Exposure: 20*60s Lum, 30*60s Red, 30*60s Green, 30*60s Blue, 10*300s H-alpha, f4.0, Gain 200, Offset 50, Cooling at -30.
Darks, Bias and Flats
Processing: Astro Pixel Processor, Adobe Photoshop 2021, Lightroom Classic and Topaz DeNoise AI.

Click picture for full size.


M81 and M82

M81 and M82

Picture taken at Sandsli (Bortle class 6), Norway. March 15-16, 2021
Camera: ASI 1600MM-Pro with EFW filterwheel and ZWO filters.
Telescope: Borg ED 101 refractor with 7704 f4 reducer on Vixen GPDX mount
Capture and autoguiding by N.I.N.A. and PHD2
Exposure: 27*60s Lum, 30*60s Red, 29*60s Green, 29*60s Blue, 23*300s H-alpha, f4.0, Gain 200, Offset 50, Cooling at -20.
Darks, Bias and Flats
Processing: Astro Pixel Processor, Adobe Photoshop 2021, Lightroom Classic and Topaz DeNoise AI.

Click picture for full size.


Markarians Chain

IC 1805 Heart Nebula

Picture taken at Mjølfjell, Norway. March 11, 2019
Camera: ASI 1600MM-Pro with EFW filterwheel and ZWO filters.
Telescope: Borg ED 101 refractor on Skywatcher AZ-EQ6 mount
Capture and autoguiding by Stellarmate
Exposure: 60*60s Red, 60*60s Green, 60*60s Blue, 20*300s H-alpha, f4.0, Gain 200, Offset 50, Cooling at -15.
Darks, Bias and Flats
Processing: Astro Pixel Processor, Adobe Photoshop 2020 and Topaz DeNoise AI.

Click picture for full size.


NGC 2239 (Sh2-275) Rosette Nebula in Monoceros

Rosette_20190310-RGBHa-2-Edit

Picture taken at Mjølfjell, Norway. March 10, 2019
Camera: ASI 1600MM-Pro with EFW filterwheel and ZWO filters.
Telescope: Borg ED 101 refractor on Skywatcher AZ-EQ6 mount
Capture and autoguiding by Stellarmate
Exposure: 15*60s Red, 15*60s Green, 15*60s Blue, 15*300s H-alpha, f4.0, Gain 200, Offset 50, Cooling at -30.
Darks, Bias and Flats
Processing: Astro Pixel Processor, Pixinsight and Adobe Lightroom Classic.


NGC 6960 Veil Nebula

NGC6960 Veil Nebula

Picture taken at Mjølfjell, Norway. December 03, 2022
Camera: ASI 1600MC-Cool.
Telescope: Borg 72FL with Starizona Apex ED S 0.65x reducer
Capture and autoguiding by AsiAir Plus
Exposure: 110 x 120s
Total integration time: 3h 40m
f3.6, Gain 139, Offset 50, Cooling at -20.
Flats, Darks and Bias
Processing: Astro Pixel Processor, PixInsight, Photoshop CC

Click picture for full size.


NGC 6960 Veil Nebula wide field in Cygnus

NGC6960 Veil Nebula

Picture taken at Mjølfjell, Norway. October 16, 2015, 20:54 UT+2
Camera: Canon EOS6D with EF 70-200mm f 4 L IS-USM at 200mm (slightly cropped)
Exposure: 90 sec f4 at 3200 ISO, Processing in Lightroom CC.
No darks or flats


Andromeda Galaxy M31 wide field (with M32 and M110)

M31 Andromeda Galaxy

Pictures taken at Mjølfjell, Norway. October 16, 2015, 22:34 - 23:19 UT+2
Camera: Canon EOS6D with EF 70-200mm f 4 L IS-USM at 200mm (slightly cropped)
Exposures: 90 sec f4 at 3200 ISO, 29 exposures stackedwith Deep Sky Stacker. Curves and levels in Photoshop CC and fnal processing in Lightroom CC.
No darks or flats


Horsehead Nebula (Barnard 33) and Flame Nebula (NGC 2024) in Orion

Horsehead and Flame Nebula

Pictures taken at Fanafjell outside Bergen, Norway. February 14, 2015, 19:58 - 21:18 UT+1
Telescope: Borg ED 101 refractor on Skywatcher AZ-EQ6 mount (unguided)
Camera: Canon EOS40D (Hutech modified), Light Polution Filter: IDAS LPS-V4
Exposures: 120 sec f4 at 1600 ISO, 18 exposures stacked with Astro Pixel Processor. Final processing in Lightroom and Topaz DeNoise AI.


Andromeda Galaxy M31 (with M32 and M110)

M31 Andromeda Galaxy

Pictures taken at Sandsli outside Bergen, Norway. September 17, 2014, 21:35 - 22:23 UT+2
Telescope: Borg ED 101 refractor on Skywatcher AZ-EQ6 mount (unguided)
Camera: Canon EOS40D (Hutech modified), Light Polution Filter: IDAS LPS-V4
Exposures: 90 sec f4 at 800 ISO, 25 exposures stacked with Astro Pixel Processor. Fine tuned in PixInsight (ABE) and Adobe Lightroom.


 

Supernova SN2014J in M82

The supernova is 11,5 million lightyears avay, and shine with a magnitude of ca 10,8 according to other observers the same night.
It could easily be observed visually through the 8" Newtonian reflector.

Supernova in M82 SN2014J

Picture taken at Sandsli outside Bergen, Norway. January 28, 2014, 22:15 UT+1
Detail from image below.

Supernova in M82 SN2014J

M82 with supernova to the left, spiral galaxy M81 to the right

Pictures taken at Sandsli outside Bergen, Norway. January 28, 2014, 22:13-22:19 UT+1
Telescope: Vixen R200SS on GPDX mount (unguided)
Camera: Canon EOS5D MkII
Exposures: 10 sec f4 at 3200 ISO, 20 exposures stackedwith Deep Sky Stacker. Curves and levels in Photoshop CS5.

©2014 Odd Høydalsvik

SN2014J in M82

M82 with supernova to the left, spiral galaxy M81 to the right

Pictures taken at Sandsli outside Bergen, Norway. February 3, 2014, 19:50 - 21:00 UT+1
Telescope: Borg ED 101 refractor on GPDX mount (guided)
Camera: Canon EOS5D MkII
Exposures: 30 sec f4 at 3200 ISO, 100 exposures stackedwith Astro Pixel Processor. Processing i Pixinsight.
Focus was a bit poor.
Click picture for full size.
©2014 Odd Høydalsvik


Orion Nebula (M42)

M42 Orion Nebula

Picture taken at Sandsli outside Bergen, Norway. February 3, 2014
Telescope: Vixen R200SS on GPDX mount (unguided)
Camera: Canon EOS5D MkII
Exposures: 95 x 20 sec + 8 x 10 sec at 1600 ISO
Processing: APP, PI and LrC

©2014 Odd Høydalsvik



Older deep sky images here