Globular Cluster

/Globular Cluster

M15

By | 2018-09-05T12:05:49+00:00 5 September 2018|Categories: Globular Cluster, M1-30, News|

First proper imaging session of the season. New mount (EQ6-R) is guiding well with an RMS error of about 0.6″, Coma corrector is working well too. Stars are sharp right to the edges.

Object ID M15 (NGC 7078)
Details 2018-09-08
Not very transparent and the remnants of twilight too.
Telescope 200mm f5 Newtonian, MPCC
IDAS P2 LPR filter
Guiding c80ED, ASI 290MC
Camera Canon 600D
Exposure(s) 10x60s, darks and flats
Capture APT, PHD
Processing Nebulosity, Photoshop
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M71 (NGC 6838)

By | 2013-11-03T16:44:11+00:00 29 August 2009|Categories: Globular Cluster, M61-90|

Globular Cluster, Sagitta
Mag 8.2 Size 7.2′
2010-08-15
200mm f5 Newtonian, Canon 350D
Guided, SW LPR filter, MPCC
3x120s subs before clouds
Processed in Nebulosity and  PhotoShop CS5
First use of new Skywatcher LPR filter.
Doesn’t really look like a globular – in fact it wasn’t classified as one for a while.

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M53 (NGC 5024)

By | 2014-03-24T10:13:15+00:00 18 April 2010|Categories: Globular Cluster, M31-60|

Globular Cluster, Coma Berenices
Mag 7.6, Size 13′
2010-04-18
200m f5 Newtonian, Canon 350D, DS filter, Guided
10x60s subs, ISO 800
Processed in Nebulosity and PS CS3

2014-03-23
200mm f8 RC, piggyback guiding C80ED
20×180 5×240 ISO 1600, darks duff so used old ones
Canon EOS 350D modded, Astronomik CLS
Captured in APT, Processed in Nebulosity, PS CS5

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