Search found 630 matches

by turfpit
Fri Apr 19, 2019 11:56 am
Forum: How do I?
Topic: Null data on first frame of data
Replies: 5
Views: 78

Re: Null data on first frame of data

Peter

Have a read of https://docs.sharpcap.co.uk/3.2/#Configuring%20SharpCap to configure SharpCap.

BTW, the link you gave to the camera you have reports "internal server error".

Dave
by turfpit
Sun Apr 14, 2019 8:11 pm
Forum: Gallery
Topic: First attempt at the Moon
Replies: 2
Views: 45

Re: First attempt at the Moon

Nice image Nick. If you want to get into lunar imaging then I would recommend this workshop http://astrophotographycourses.co.uk/high_resolution_lunar_imaging.html Have attended it twice - overwhelmed with info the first time, a year to practise, second time had lots of questions to ask. Damian Peac...
by turfpit
Thu Apr 11, 2019 3:42 pm
Forum: Gallery
Topic: M51 with 127 MAK and QHY5LII-M
Replies: 4
Views: 122

Re: M51 with 127 MAK and QHY5LII-M

Thanks Chuck. If you look at the capture in progress image (which has a display histogram stretch) - the black dots are the dirt in the optical train. In the flat frame capture image the corresponding black dots can be seen. When the master flat is applied to the light frames, the imperfections in t...
by turfpit
Wed Apr 10, 2019 8:45 am
Forum: Gallery
Topic: M51 with 127 MAK and QHY5LII-M
Replies: 4
Views: 122

Re: M51 with 127 MAK and QHY5LII-M

Here are some screenshots of the preparation for capture & subsequent processing. Focusing with Bahtinov Mask, Zoom 200% and use display histogram stretch: M51-focus.JPG Establish offset via test bias frame with centralised histogram: bias-frame.JPG Flat frame capture, used home made flat panel gene...
by turfpit
Wed Apr 10, 2019 8:27 am
Forum: Gallery
Topic: M51 with 127 MAK and QHY5LII-M
Replies: 4
Views: 122

M51 with 127 MAK and QHY5LII-M

Captured 9th April 2019 around 22:00. Thin high cloud and intermittent lower cloud. __M51-78x30s-g6-o10.png Equipment: Celestron AVX mount, Skywatcher 127 MAK, QHY5LII-M, TS 0.5x reducer. Frames: 100 lights, 50 darks, 50 bias, 50 flats. Software for capture: SharpCap 3.2, FITS Liberator (to establis...
by turfpit
Wed Apr 10, 2019 6:56 am
Forum: Gallery
Topic: Lunar 4 panel mosaic, 127 MAK + QHY5LII-M
Replies: 3
Views: 45

Re: Lunar 4 panel mosaic, 127 MAK + QHY5LII-M

Cheers Wickett.

A good return on 4 minutes of capture with modest equipment. Stitching with Microsoft ICE is effortless.

Dave
by turfpit
Wed Apr 10, 2019 1:58 am
Forum: Gallery
Topic: Lunar 4 panel mosaic, 127 MAK + QHY5LII-M
Replies: 3
Views: 45

Re: Lunar 4 panel mosaic,

These are the steps taken in Microsoft Image Composite Editor. Stack the SER files first, then stitch, then enhance the final image.

Step 1 > Import
import.JPG
import.JPG (29.65 KiB) Viewed 44 times

Step 2 > Stitch
stitch.JPG
stitch.JPG (53.56 KiB) Viewed 44 times

Step 3 > Crop
crop.JPG
crop.JPG (47.11 KiB) Viewed 44 times

Step 4 > Export
export.jpg
export.jpg (50.84 KiB) Viewed 44 times

Dave
by turfpit
Wed Apr 10, 2019 1:53 am
Forum: Gallery
Topic: Lunar 4 panel mosaic, 127 MAK + QHY5LII-M
Replies: 3
Views: 45

Lunar 4 panel mosaic, 127 MAK + QHY5LII-M

Full resolution image here https://www.astrobin.com/full/400167/0/?nc=user . Taken 09th April 2019, around 21:00 BST. lunar-mosaic-4-panel.jpg Equipment: Celestron AVX mount, Skywatcher 127 MAK, QHY5LII-M, TS 0.5x reducer. Capture: each panel was captured in SER format, 1280x960, MONO16, 2ms exposur...
by turfpit
Tue Apr 09, 2019 6:17 pm
Forum: How do I?
Topic: Mount connection and platesolve issue
Replies: 8
Views: 101

Re: Mount connection and platesolve issue

On my installation, the SharpCap logs are in:

C:\Users\David\AppData\Local\SharpCap\logs

Replace David with your login name.

Dave
by turfpit
Thu Apr 04, 2019 11:27 pm
Forum: How do I?
Topic: CMOS camera, exposure, gain and darks
Replies: 2
Views: 112

Re: CMOS camera, exposure, gain and darks

astrosharkey On a CMOS camera, if I change exposure, I would take a new set of dark and bias frames(otherwise they don't match the lights). On a CMOS camera, if I change gain, I would take a new set of dark and bias frames (otherwise they don't match the lights). Based on: a dark frame needs same ex...