Observation by Les Dickens: Rosette nebula and open cluster

Uploaded by

Les Dickens

Observer

Les Dickens

Observed

2022 Feb 25 - 00:00

Uploaded

2022 Mar 02 - 11:27

Objects

NGC2237
NGC2244

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Constellation

Monoceros

Field centre

RA: 06^h32^m
Dec: +05°03'
Position angle: -87°52'

Field size

1°55' × 1°23'

Equipment

77mm F6.6 achromatic refractor
QHY9S camera
Images processed using IRIS
EQ6 mountNGC

Exposure

45 x 120s Hα; 50 x 120s O-III (plus 10 x 180s each of Hα, O-III and S-II taken in Dec 2020)

Location

Cheltenham, UK

Target name

Rosette nebula (NGC2237) and the open cluster at its centre (NGC2244)

Title

Rosette nebula and open cluster

About this image

January was pretty barren for me as my EQ6 mount had been dispatched to Rotherham for servicing. It was worth the wait though: performance was much improved when I finally got to put the mount through its paces and pointed it at the Rosette nebula.

The servicing included a Rowan Belt modification which seems to have made a big difference: PHD2 was used for guiding and was accurate to around +/- 1 arcsec most of the time.

All processing done using (good old) IRIS and I took the opportunity to import some frames made with the same equipment in 2020!

Files associated with this observation

NGC2237 (Rosette nebula) 2022.02.jpg (1.1 MB)

Like this image

Mr John William Hughes, Dominic Ford, Martina McGovern, Callum Wingrove, Simon Paul Davis

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