M42 H-alpha 30-01-2023

M42 H-alpha 30-01-2023 Jan 31, 2023 381 views6992×632831.92 MB

lucabandirali

In 2 groups

Backyard

Milano, Milano (MI), IT

Ori

5h 35m 1s · -5° 24′ 29″

2.54° × 2.30°

1.31″/px

3.98°N

Integration

No filter	80×120″	2h 40′	30 Jan 2023	68%

No filter	80×120″=2h 40′
30 Jan 2023	68%

Equipment

Lens	Nikkor 300mm f/4.5
Camera	QHYCCD QHY163M
Mount	Celestron Advanced VX
Filter	ZWO H-alpha 7nm 1.25"
Software	GNU Image Manipulation Program (GIMP) Luc Coiffier DeepSkyStacker (DSS) Siril Team Siril The Astra Image Company Astra Image

Objects

Great Orion Nebula Lower Sword Mairan's Nebula Orion Nebula the Running Man Nebula Upper Sword M 42 M 43 NGC 1973 NGC 1975 + 19 more

Description

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Revision: B

Description Field of view area increased 140 x 120'' light frames (60 light frames added) 15 x 120'' dark frames 20 x 2'' flat frames Star reduction workflow applied

Published Feb 2, 2023, 11:49:45 AM

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