M13 1st time

[Starman 1967]

I’ve had a go at M13 globular cluster it came out better than I thought it would. I’m still struggling to get phd2 to guide.

phd2 keeps saying could not detect enough movement with star, it’s done it 2 nights now on the trot, both times I’ve had excellent polar alignment with sharp cap. would that cause the stars not to move enough for phd2 ?
SW 100 Ed
SW AZEQ5
Sony A6000
Altair 290mm
SW evoguide
No filters
Bortle 6 to 8 sky depending what app I use
10 x 30 sec lights
10 x darks
10 x flats
Excellent polar alignment with sharp cap
Failed to guide with phd2 (free)
Used cartes du ceil to goto.
Stacked in deep sky stacker (free)
And processed a bit to much on gimp (free) also.

 

 

[+seven_legs]

As a visual astronomer you are talking dark arts, meaning I have no clue what you are talking about. But I love the shot. Great first first attempt, well done

[dave.hardy2]

Great first attempt.

[+Graham]

I use phd 1 and if the star doesn't move enough you simply increase the pulse width in the settings before you calibrate. I would imagine phd 2 will be the same.

Pulse width is called steps if memory serves me correct. 

Nice shot by the way.

[BAZ]

If that was my first shot, I would be very happy with it. Nice one!

[+RonC]

Great first image, I'm like Graham and use PHD 1.2..?

[Bottletopburly]

Nice first try ? , you could have been guiding on a hot pixel  have you taken a darks map and loaded it in phd2, you can do this in the house , 

did you calibrate and did it go through the steps successfully ?read the tutorial on phd2 site , 

run the guiding wizard and accept its recommendations , also read this if you haven’t done yet not that I’m an expert by any stretch of the imagination 

 

[Starman 1967]

Thanks everyone. I’ll have another bash with phd2 next time we get some clear sky. Shan’t hold my breath waiting for that.?

[Dean Watson]

Thats right.  With the pulse size setting, bear in mind it needs to calibrate for different field of view guidescopes.  So what is a sufficient movement pulse for one scope is not enough to register any movement (and therefore to have enough movement) for another.