Observation by Mike Greenhill-Hooper: M101 in luminance

Uploaded by

Mike Greenhill-Hooper

Observer

Mike Greenhill-Hooper

Observed

2024 May 09 - 21:00

Uploaded

2024 May 13 - 15:24

Objects

M101

Planetarium overlay









Constellation

Ursa Major

Field centre

RA: 14h03m
Dec: +54°20'
Position angle: -103°59'

Field size

0°19' × 0°15'

Equipment
  • Telescope: 20" f/4 Obsession Dobsonian; Paracorr coma corrector
  • ASI294MMPro with uv/ir cut (L) filter
Exposure

(2s - 150 frames) x4 SharpCap stacks, camera gain 450, T=0C

Location

Miradoux, S.W. France

Target name

M101

Title

M101 in luminance

About this image

Quite pleased with the detail, just 20 minutes very limited post processing (Affinity Photo).  It helped that the object was nearly over-head.

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