Observation by Mike Greenhill-Hooper: North American & Pelican Nebulae - w...

Uploaded by

Mike Greenhill-Hooper

Observer

Mike Greenhill-Hooper

Observed

2021 Jun 30 - 22:00

Uploaded

2021 Jul 05 - 14:27

Objects

The North America Nebula (NGC7000)

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Constellation

Cygnus

Field centre

RA: 20^h56^m
Dec: +43°54'
Position angle: +0°26'

Field size

3°37' × 3°38'

Equipment

Samyang 135mm f/2 lens on Atik 383L+ CCD camera
Piggy-backed on 770mmED refractor as guide scope with Orion Starshoot camera
All on SkyWatcher NEQ6 mount

Exposure

10x300s unbinned with H alpha filter + 10x 300s unbinned with ir/uv rejection filter

Location

Miradoux, S.W. France

Target name

North American and Pelican Nebulae

Title

North American & Pelican Nebulae - wide field view

About this image

Just bought the highly recommended Samyang 135mm lens. Used at f/2.8 attached via adaptor (equipped with 1.25" filter holder) to my Atik 383L+ OSC camera and captured 10x300s exposures (@-20C) with ZWO narrowband (7nm) H-alpha filter and then repeated with TS optics uv & ir cut filter. Used PHD2 to guide Orion Starshoot autoguide camera on 770/110 ED refractor all on SkyWatcher NEQ6 mount. Main camera was piggy-backed on the refractor. Images calibrated (flats, bias, darks), stacked and processed using Astrophotography stacking feature in the amazing Affinity Photo software (one-off cost just 30 euros!). Colours not entirely natural, but never mind!

Next photo is just the narrow band data.

Files associated with this observation

AFunbinnedand HalphaAF8.jpg (718.4 kB)

Like this image

Honor Wheeler, Graham Winstanley, Simon Paul Davis

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