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Observation by Alun Halsey: Rosette Nebula

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Alun Halsey

Observer

Alun Halsey

Observed

2021 Jan 21 - 23:15

Uploaded

2021 Jan 22 - 19:28

Objects

NGC2237
NGC2244

Planetarium overlay









Constellation

Monoceros

Field centre

RA: 06h32m
Dec: +04°58'
Position angle: +48°35'

Field size

1°37' × 1°17'

Equipment
  • Evostar 72ED apo + field flattener
  • SX Trius 694 + Ha Filter
  • CEM60 carrying C9.25 sct
  • QHY5L-II colour camera/0.5x reducer for guiding through 9.25
Exposure

900 seconds each subframe x8 equaling 2hrs total

Location

Reading Berkshire UK

Target name

Rosette Nebula

Title

Rosette Nebula

About this image

72ED piggybacked to C9.25 on a CEM60,using a Trius 694 with Ha filter and Astroart5 captured eight 900 second subframes. Stacked and dark frame subtracted in Deepskystacker and processed in Photoshop CS2. Using C9.25 as guide scope with QHY5L-II colour camera and 0.5x reducer screwed into its nosepiece.

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