Grand spiral Messier 81 with dwarf satellite galaxy Holmberg IX amid a tangle of IFN

Grand spiral Messier 81 with dwarf satellite galaxy Holmberg IX amid a tangle of IFN Apr 28, 2022 1.1k views3960×39607.48 MB
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Remote observatory

UMa

9h 55m 33s · +69° 3′ 57″

0.51° × 0.51°

0.47″/px

269.95°N

Integration

No filter	195×300″	16h 15′

No filter	195×300″=16h 15′

Imaging equipment

Telescope	Planewave CDK24
Cameras	FLI KL4040 QHYCCD QHY5III174 M
Mount	Planewave L-600
Filters	Chroma Blue 50x50 mm Chroma Green 50x50 mm Chroma Lum 50x50 mm Chroma Red 50x50 mm
Accessories	FLI CFW-3-10 Optec Sagitta Off-Axis Guider
Software	DC-3 Dreams Advanced Observatory Software ACP Observatory Control Software Diffraction Limited MaxIm DL Pleiades Astrophoto PixInsight Software Bisque TheSky

Guiding equipment

Guiding camera	QHYCCD QHY5III174 M

Objects

Description

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