billyharris72

Does anyone have experience of Strathspey 15 x 60s?

By billyharris72, March 19, 2016 in Discussions - Binoculars

Autoguiding on Linux with Opticstar PX125C

By billyharris72, November 1, 2016 in Discussions - Software

• linux
• guiding

Dead man walking

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

How to fit a second dovetail to 130pds?

By billyharris72, October 5, 2017 in Getting Started Equipment Help and Advice

Image brightening at edge of field - any ideas why

By billyharris72, September 30, 2018 in Getting Started With Imaging

Problems with Opticstar ASCOM driver

By billyharris72, February 5, 2017 in Discussions - Software

Strange noise pattern in Ha images (ASI 1600)

By billyharris72, October 11, 2018 in Getting Started With Imaging

Can anyone advise a guiding newbie? [SOLVED]

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

Ageing and travel near the speed of light

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

Question about Star Analyzer

By billyharris72, August 29, 2016 in Radio Astronomy and Spectroscopy

Oval stars pointing in different directions

By billyharris72, February 12, 2018 in Getting Started With Imaging

Broken HEQ5 pillar mount - fixable?

By billyharris72, April 16, 2018 in Discussions - Mounts

How do we know luminosity of a star from its spectral class

By billyharris72, April 21, 2016 in Physics, Space Science and Theories

A couple of questions / project ideas (photometry)

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

Problem with collimation - suggestions needed

By billyharris72, March 17, 2016 in Getting Started Equipment Help and Advice

Starting to think guiding might be beyond me

By billyharris72, January 7, 2018 in Getting Started With Imaging

Google major fail

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

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

Lunar 100 description of Flamsteed P

By billyharris72, January 30, 2018 in Observing - Lunar

Guiding issues with 130PDS and guidescope. Is an OAG a viable option?

By billyharris72, December 2, 2019 in Getting Started With Imaging

First attempt: trouble with CA on M45

By billyharris72, January 11, 2016 in Getting Started With Imaging

Planetary stacking problem - what's causing this?

By billyharris72, April 3, 2017 in Getting Started With Imaging

Help with this image please

By billyharris72, November 8, 2017 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