billyharris72

A coma corrector conundrum

By billyharris72, June 22, 2017 in Getting Started With Imaging

A couple of questions / project ideas (photometry)

By billyharris72, March 24, 2019 in Observing and Imaging Double and Variable Stars

Advice on mono camera

By billyharris72, June 10, 2017 in Getting Started With Imaging

Advice on what to read next?

By billyharris72, July 6, 2017 in Physics, Space Science and Theories

Ageing and travel near the speed of light

By billyharris72, October 22, 2017 in Physics, Space Science and Theories

Aldi Maginon spotting scope

By billyharris72, July 9, 2016 in Member Equipment Reviews

Another photometry query (calibration and air mass)

By billyharris72, August 12, 2018 in Observing and Imaging Double and Variable Stars

Any advice on secondary collimation?

By billyharris72, February 8, 2018 in Getting Started Equipment Help and Advice

Autoguiding on Linux with Opticstar PX125C

By billyharris72, November 1, 2016 in Discussions - Software

• linux
• guiding

Benefits of goto? 1 2

By billyharris72, August 29, 2016 in Getting Started General Help and Advice

Best time to look for Hadley Rille

By billyharris72, February 3, 2017 in Observing - Lunar

Broken HEQ5 pillar mount - fixable?

By billyharris72, April 16, 2018 in Discussions - Mounts

Can anyone advise a guiding newbie? [SOLVED]

By billyharris72, November 13, 2017 in Getting Started With Imaging

Can I control a Nikon D3300 from Astroart?

By billyharris72, May 21, 2017 in Discussions - Software

• astroart

Can I use an UV/IR cut filter in front of my regular LRGB?

By billyharris72, March 31, 2019 in Getting Started With Imaging

Can I used scaled dark frames with a CMOS sensor?

By billyharris72, May 4, 2017 in Imaging - Image Processing, Help and Techniques

Cleaning the glass cover / IR screen on a camera

By billyharris72, March 27, 2017 in Getting Started With Imaging

Core collapse confusion

By billyharris72, July 4, 2016 in Physics, Space Science and Theories

• supernovae

Crayford troubles - does this sound fixable?

By billyharris72, June 27, 2018 in Getting Started Equipment Help and Advice

Dead man walking

By billyharris72, June 20, 2017 in Getting Started With Imaging

Does anyone have experience of Strathspey 15 x 60s?

By billyharris72, March 19, 2016 in Discussions - Binoculars

Does anyone know what this Galaxy [?] is?

By billyharris72, March 19, 2018 in Imaging - Deep Sky

Energy, mass and velocity

By billyharris72, January 3, 2017 in Physics, Space Science and Theories

Exposure question (RGB imaging)

By billyharris72, March 11, 2019 in Getting Started With Imaging

First attempt at colour saturation

By billyharris72, September 9, 2017 in Imaging - Lunar