Widefield shot of Orion (Victor Van Puyenbroeck)

Celestial hemisphere: Southern · Constellation: Orion (Ori) · Contains: Great Nebula in Orion · Horsehead nebula · IC 430 · IC 434 · M 42 · M 43 · NGC 1975 · NGC 1976 · NGC 1977 · NGC 1980 · NGC 1981 · NGC 1982 · NGC 1990 · NGC 1999 · NGC 2023 · NGC 2024 · NGC 2064 · NGC 2112 · Part of the constellation Orion (Ori) · The star 29Ori · The star 42Ori · The star Alnilam (εOri) · The star Alnitak (ζOri) · The star Mintaka (δOri) · The star ηOri · The star ιOri · The star σOri · The star ψ2Ori

Widefield shot of Orion, Victor Van Puyenbroeck

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Widefield shot of Orion

Powered byPixInsight

Widefield shot of Orion

Revision B is a completely new data set, taken on December 4, 2016.

I'm really happy with the amount of objects visible in this new image!

Some more details:

- Manually dithered every 2 frames

- The Sigma 105mm f2.8 EX Macro lens was stopped down to F/4, which results in much tighter and round stars up until the edge of the field.

- There was a strong gradient present in the new stack due to street lights, which was very difficult to remove in StarTools.

- A small part of Barnard's Loop should be present in the image, but it's not visible due to the low Hydrogen alpha response of my stock camera and my processing skills are probably not good enough to remove the LP gradient without affecting the deep-red nebulosity...

Rev. C was reworked with PixInsight to reveal more of the faint background and Barnard's loop is now visible!

The original image was taken on January 30, 2016 with almost no equipment:

- No mount or tripod, the camera was resting on a bean bag on the ground.

- No shutter release cable or capture software, all exposures were manual with 2 sec shutter delay.

- White zone, inner city light pollution

- 37 x 2 sec ISO-1600 subs stacked in DSS and edited in RawTherapee

Original
B
C
Final
D

B

Description: New stack, much longer exposure. Processed with StarTools.

Uploaded: ...

C

Description: Post-processed with PixInsight and cropped to remove a strong reflection artifact around the edge of the frame.

Uploaded: ...

D

Description: Better background correction with multiple DBE passes, but still not uniform due to the reflection artifact

Uploaded: ...

Camera Lens Astrophotography
Cloudy Nights
Astrophotographers of Belgium
Imaged with APT

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The “AstroBin Image of the Day and Top Picks”, or IOTD/TP, is a long-running system to promote beautiful, interesting, peculiar, or otherwise amazing astrophotographs, with a focus on technical excellence. Learn more.

Submitted The date and time when you submitted this image for IOTD/TP consideration.	...
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Status	Basic success
Started	...
Astrometry.net job	1381158
PixInsight job	n/a
PixInsight queue size	n/a
PixInsight stage	n/a

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Widefield shot of Orion

Widefield shot of Orion

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Widefield shot of Orion

Widefield shot of Orion

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