This is Snowflake #78 in the book of 100 Snowflakes. Instructions are on Page 91. It is pictured on page 35 in the showcase.

“The Northern Lights snowflakes are more complex than the other sequenced snowflakes in this collection, but the principle is the same - added ornamentation around the edges produces a very different appearance, and the fine and simple Northern Lights I becomes the ornate Northern Lights II.”

Finished diameter: 3 1/2 in (89 mm)
Thread required: 13 yd (11.9 m)

All pattern samples in this book are made with size 10 thread and a size 5 (1.9 mm) crochet hook.