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M101 "Pinwheel"

Leshy
1662364
Category:Deep Sky
Published:
1201
M101 "Pinwheel"NGC 5447NGC 5449NGC 5450NGC 5453NGC 5458NGC 5451NGC 5455NGC 5457NGC 5461NGC 5462NGC 5471NGC 5477
Resolution:
3508x2480 px
File size:
5400 KB

Photo description / processing

A fairly large galaxy, but like most face-on spiral galaxies, it has low surface brightness. Compared to the first version, data from two additional nights of imaging have been added, one of which used a dual-band SV220 filter to highlight Ha.

Technical information

Telescope/Lens
Sky-Watcher 250 PDS
Camera
RisingCam 571C
Mount
Sky-Watcher NEQ6 PRO SynScan
Accessories
Sharpstar 0.95x
Software
N.I.N.A., DeepSkyStacker4
Location
Полушкино, Моск. обл., Россия

Light pollution

Orange, Bortle 6 zone

Date taken
oleshko.net.ru/gallery/deepsky/20250321-0402_M101_166x180s_44x240sHa_571C_0,95x.shtml

Exposure

  • 166 × 180″ · ISO/Gain: 100
  • 44 × 240″ · ISO/Gain: 100 · SVBony SV220

Total exposure: 11 h 14 m

Photo versions

M101 "Pinwheel"
Current photoUpdated
M101 "Pinwheel"

Apr 3rd, 2025

11 h 14 m

A fairly large galaxy, but like most face-on spiral galaxies, it has low surface brightness. Compared to the first version, data from two additional nights of imaging have been added, one of which used a dual-band SV220 filter to highlight Ha.

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Previous version
Current version

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