Description

Messier 27 was the first planetary nebula ever discovered.
It was discovered by Charles Messier on 12th July 1764.

The central star in the heart of the nebula is mag 13.5. The nebula is one of the brightest planetary nebulas in the sky and lies at a distance of about 1.200 light years.

The age of M27 is estimated to be about 3.000 to 4.000 years.

Other versions

Previous/older images:

Jul 03, 2006 – Canon 350D (Orion USA 80/600 ED 1h 4m)

Jun 18, 2005 – Canon 350D (GSO 10″ f5 Newt, OTE-150 35m)

Aug 12, 2007 – Canon 350D (GSO 8″ f4 Newton, G-11 1h)

Image data

Object info
Name M27 – The Dumbbell Nebula
Type Planetary nebula
Constellation Vulpecula
Right ascension 19h 59m 36s
Declination +22° 43′ 16″
Distance 1.200 ly
Other designations Apple Core Nebula, NGC6853
Image info
Image date Aug. 06, 2018
Light frames 10x 3 min. G&B (each) unbinned, 13x 6 min. 7nm Ha unbinned (R & Luminance)
Total integration 2h 18m
Dark frames 20x
Flat frames none
Bias frames 20x
Software used SGPro, PHD2 Guiding, DeepSkyStacker, Registar, Photoshop CS6
Processing Focusing and image acquisition was done using Sequence Generator Pro.
All separate frames were calibrated, aligned and stacked in DeepSkyStacker.
Images were aligned in Registar prior to combining into RGB.
Photoshop CS6 was used for further processing. High Pass filter applied.
Equipment info
Telescope Orion Optics SPX 10″ Newton
Corrector Televue 2″ Paracorr coma corrector (FL: 1.380mm f/5.43)
Mount Losmandy G-11 Gemini
Camera SBIG ST-8300M
Guide camera Astrolumina ALccd5-II (Mono)
Guide scope Vixen VMC110L f/9.4
Autoguide software PHD2 Guiding
Filters Baader 2″ 7nm Ha, Baader 2″ RGB + IDAS LPS-P2
Location Landgraaf, The Netherlands
Image comments

Reasonably good conditions. Need to find out what causes the issues with the stars in the image, no guiding spikes, looks like either an optical issue or polar (mis)alignment.