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M74

yas
1321817
Category:Deep Sky
Published:
344
M74NGC 628
Resolution:
1632x1641 px
File size:
2866 KB

Photo description / processing

Fixed the patchy appearance of the galaxy, but of course, more signal needs to be collected.

Technical information

Telescope/Lens
C11 EdgeHD
Camera
SBIG ST-4000XСM & Player One Poseidon-C
Mount
CGE
Guide Scope
C11 EdgeHD + (AO-8 или OAG)
Guide Camera
SBIG ST-4000XCM или ZWO ASI678MC
Accessories
SBIG AO-8 или OAG
Software
PixInsight
Location
Подмосковье, Кубинка (недалеко), Россия

Light pollution

Orange, Bortle 6 zone

Date taken

Exposure

  • 18 × 300″ · ISO/Gain: 0
  • 4 × 600″ · ISO/Gain: 0
  • 5 × 900″ · ISO/Gain: 0
  • 8 × 300″ · ISO/Gain: 125
  • 8 × 90″ · ISO/Gain: 125 · UV-IR cut

Total exposure: 4 h 17 m

Photo versions

M74
Updated
M74

Sep 25th, 2026

7 h 12 m

Combined stacks from the old CCD SBIG ST-4000XCM and the new CMOS Player One Poseidon C Pro with a focal reducer. Imaging August-September 2022-2026

M74
Current photo
M74

Feb 26th, 2026

4 h 17 m

Fixed the patchy appearance of the galaxy, but of course, more signal needs to be collected.

M74
M74

Jan 29th, 2026

4 h 17 m

Added about 1 hour from the PO Poseidon camera. Total: SBIG - 3h25m, PO - 52m. New processing.

M74
M74

Feb 16th, 2025

3 h 25 m

Shooting: 15.10.2022, 30.08-15.09.2024 Stars are either bloated or very sharp. Left the bloated ones :(

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