Downloadable Deep Sky Field Guides at Amazon (click book cover for info.)A set of 7 Reference Line Maps, star charts and DSS photos of NGC 2244, Caldewll Object C49 & Herschel 400 Object. This series of maps has been developed for use with the Red Dot Finders and …

A set of 7 Reference Line Maps, star charts and DSS photos of NGC 2903 spiral galaxy. This series of maps has been developed for use with the Red Dot Finders and Green Laser Pointers. This maps work well wi both binoculars and telescopes.

A set of 7 Reference Line Maps, star charts and DSS photos of NGC 6281. This series of maps has been developed for use with the Red Dot Finders and Green Laser Pointers. This maps work well wi both binoculars and telescopes.

A set of 7 Reference Line Maps, star charts and DSS photos of NGC 3628. This series of maps has been developed for use with the Red Dot Finders and Green Laser Pointers. This maps work well wi both binoculars and telescopes.

deep sky astronomy $9.99 Click on Book Cover to View Book Details or Purchase
THESE FIELD GUIDES TOP THE STARGAZING BEST SELLER LIST IN THE KINDLE STORE

You don’t have to own a Kindle to use these field guides! Download to Laptop and use with Amazon’s FREE …

Downloadable Deep Sky Field Guides at Amazon (click book cover for info.)
A set of 7 Reference Line Maps, star charts and DSS photos of Caldwell Object C76, NGC 6231.. These maps works well with
he Reference Line Method method adapts well to both binoculars and telescopes.

Downloadable Deep Sky Field Guides at Amazon (click book cover for info.)A set of 7 Reference Line Maps, star charts and DSS photos of NGC 2362, Caldwell Object C64, Open Cluster. These maps works well with red dot finders and green laser pointers. The Reference Line Method method …

Downloadable Deep Sky Field Guides at Amazon (click book cover for info.)Caldwell Object C 85, Open Cluster IC 2391
Observer Notes:

Persian Astronomer Al Sufi, observing from 32 degrees north, was the first to catalogue IC 2391.  He referred to it as a “nebulous star” in reference to omicron Velorum.   …

Downloadable Deep Sky Field Guides at Amazon (click book cover for info.)A set of maps, star charts and ISS photos of Coma Berenices Open Cluster, Melotte 111 .  This open cluster was first charted by Ptolemy.  It occupies 4.5 degrees, contains Caldwell Object C35 (NGC 4889), and is best viewed …

A set of 7 Reference Line Maps, star charts and DSS photos of IC 1805.  These maps works well with red dot finders and green laser pointers.  The Reference Line Method method adapts well to both binoculars and telescopes.

Downloadable Deep Sky Field Guides at Amazon (click book cover for info.)A set of 8  Reference Line Maps, star charts and DSS photos of the Double Cluster in Perseus, NGC 869 & NGC 884.  This series of maps has been developed for use with the Reference Line Method.  This method …

A set of 8  Reference Line Maps, star charts and DSS photos of Caldwell Object C10, NGC 654 & 663, the Horshoe Cluster.  This series of maps has been developed for use with the Red Dot Finders and Green Laser Pointers.  This maps work well wi both binoculars and telescopes.

The …

A set of 7  Reference Line Maps, star charts and DSS photos of NGC 457, the E. T. Cluster, Caldwell Object C13.  This series of maps has been developed for use with the Red Dot Finders and Green Laser Pointers.  This maps work well wi both binoculars and telescopes.

A set of 8 Reference Line Maps, star charts and DSS photos of NGC 7293, the Eye of God or Helix Nebula, Caldwell Object C63.  This series of maps has been developed for use with the Reference Line Method.  This method adapts well to both binoculars and telescopes.

A set of 7  Reference Line Maps, charts and DSS photos of M52 & NGC 7635, Caldwell Object C11 (Bubble Nebula) .  This series of maps has been developed for use with the Reference Line Method.  This method adapts well to both binoculars and telescopes.