Observation by Stephen J. Avery: Pinwheel Galaxy - M 101

Uploaded by

Stephen J. Avery

Observer

Stephen J. Avery

Observed

2017 May 24 - 16:35

Uploaded

2017 May 24 - 16:43

Objects

The Triangulum Galaxy (M33)
The Coma Pinwheel Galaxy (M99)
M101

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Constellation

Ursa Major

Field centre

RA: 14h03m
Dec: +54°20'
Position angle: -81°14'

Field size

0°35' × 0°28'

Equipment
  • Skywatcher Esprit 150 Refractor
  • QSI 690-WSG-8
  • SX AO unit
  • Lodestar II
  • Skywatcher EQ8
Exposure

300 s for RGB & L

Location

Chailey, East Sussex

Target name

Pinwheel Galaxy; NGC 5457; M 101

Title

Pinwheel Galaxy - M 101

About this image

5 Blue 300s, binned 2x2; 10 Green 300s, binned 2x2; 13 Red 300s, binned 2x2; 17 Lum 300s, binned 1x1; 6 H-alpha 300s, binned 1x1.  Images processed with PixInsight.

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