Great tips, thank you! I've got to remember to shoot in raw. My settings were 1600, 2.8 wide shot of 24mm to 70 mm, shutter open for 20 to even 30 secs. I'll keep trying.
How are you getting a "tail" streak? My settings are same, but no streak. Thank you for taking the time to teach us. I feel rather dumb. Are you stacking your photos? If so, are you using photoshop? Obviously I don't have editing software. Yet