3 level yellow lights with 3 smaller blinking red lights below. back of triangle? tk 5 min to travel length of finger.15 mi. away.

15 people were doing a sky watch event in Blooming Grove Pa.in the Pocono Mts. in northeastern Pa. Very clear night. 9:44 pm.  Two of us saw in the west approximately 15 miles out from out position three lights slowly moving away from us possibly over and around Sterling Pa. heading towards Scranton Pa. probably following interstate 84. We had high powered binoculars. To the naked eye it was three yellowish-pinkish lights in a row. They reminded me of mercury vapor lights. Definitely not natural. Size-wise, they were about the size of a pencil eraser. The lights were horizontal.  When we looked through the binoculars we began to suspect we may be looking at the back of a craft that must have been large. It moved very slowly covering maybe the length of a finger in 5 minutes till we lost it behind the treeline. Too slow to be a plane by a lot!  But huge.  But here was what was especially odd. Through the binocs, you could see under the three yellow lights that t! here were three tiny tiny red lights. One in the middle slightly off to one side of the center yellow/pink light and two slightly offset and in from the two outside yellow/pink lights. And the red lights blinked but randomly and not sequentially. They also didnt blink fast. One would blink once and then a second later another would blink once sort of leisurely. Our combined thoughts were that we were possibly looking at the back of a large black triangle.